Consider the following relational database:
STUDENT (name, student#, class, major)
COURSE (course name, course#, credit hours, department)
SECTION (section identifier, course#, semester, year, instructor)
GRADE_REPORT (student#, section identifier, grade)
PREREQUISITE (course#, presequisite#)
Specify the following queries in SQL on the above database schema
(i) Retrieve the names of all students majoring in ‘CS’ (Computer Science).
(ii) Retrieve the names of all courses taught by Professor King in 1998
(iii) Delete the record for the student whose name is ‘Smith’ and whose student
number is 17.
(iv) Insert a new course <’Knowledge Engineering’, ‘CS4390’, 3, ‘CS’>